C++ (Cpp) ClassAd::ChainCollapseの例

コード例 #1

ファイル: condor_q.cpp プロジェクト: AlanDeSmet/htcondor

int
CondorQ::fetchQueueFromDB (ClassAdList &list,
						   char *&lastUpdate,
						   const char *dbconn,
						   CondorError*  /*errstack*/)
{
#ifndef HAVE_EXT_POSTGRESQL
	(void) list;
	(void) lastUpdate;
	(void) dbconn;
#else
	int     		result;
	JobQueueSnapshot	*jqSnapshot;
	const char 		*constraint;
	ClassAd        *ad;
	QuillErrCode   rv;
	ExprTree *tree;

	jqSnapshot = new JobQueueSnapshot(dbconn);

	rv = jqSnapshot->startIterateAllClassAds(clusterarray,
						 numclusters,
						 procarray,
						 numprocs,
						 schedd,
						 FALSE,
						 scheddBirthdate,
						 lastUpdate);

	if (rv == QUILL_FAILURE) {
		delete jqSnapshot;
		return Q_COMMUNICATION_ERROR;
	} else if (rv == JOB_QUEUE_EMPTY) {
		delete jqSnapshot;
		return Q_OK;
	}

	// make the query ad
	if ((result = query.makeQuery (tree)) != Q_OK) {
		delete jqSnapshot;
		return result;
	}

	constraint = ExprTreeToString(tree);
	delete tree;

	ad = getDBNextJobByConstraint(constraint, jqSnapshot);

	while (ad != (ClassAd *) 0) {
		ad->ChainCollapse();
		list.Insert(ad);
		ad = getDBNextJobByConstraint(constraint, jqSnapshot);
	}	

	delete jqSnapshot;
#endif /* HAVE_EXT_POSTGRESQL */

	return Q_OK;
}